Mystic Lake Weather Forecast

    • 57
    • 75

    Increasing Clouds

    • 59
    • 68

    Rain Showers Likely

    • 44
    • 69

    Rain Showers Likely

    • 37
    • 64

    Partly Sunny

    • 40
    • 64

    Mostly Cloudy

    • 37
    • 64

    Partly Sunny

Today 29 Sep Clare

Mostly sunny. Areas of fog in the morning. Highs in the mid 70s. South Winds around 10 Mph.

Tonight 29 Sep Clare

Partly cloudy in the Evening, then cloudy with a 50 percent chance of rain Showers after midnight. Lows in the mid 50s. Light Winds.

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  • Temperature Real-Time

Mystic Lake Temperature Statistics

September Temperature

Mount Pleasant, Mount Pleasant Municipal Airport (23 miles)

  • Lowest 26 September, 2026

    35.6 °F

  • Average September

    63.5 °F

  • Highest 1 September, 2026

    91.4 °F

Climate (2021–2026)

Mount Pleasant, Mount Pleasant Municipal Airport (23 miles)

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  • Average Low 2021–2026

    39.5 °F

  • Average 2021–2026

    49 °F

  • Average High 2021–2026

    58.5 °F
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